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Where to find docker logs?

See original GitHub issue


How I can retrieve the logs one would usually obtain using docker logs CONTAINERNAME, when using batch-shipyard? I am not sure whether this is the right place to ask this question, but I cannot seem to find the answer anywhere in the documentation.


Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:5

github_iconTop GitHub Comments

sebastkocommented, Jul 11, 2018

Thank you! I have used a variation of option 2 - I have mounted a shared data volume and then just modified my tasks’ “command” properties to the following:

command: /bin/bash -c "mkdir -p $AZ_BATCH_NODE_SHARED_DIR/logs_volume/$AZ_BATCH_JOB_ID/$AZ_BATCH_TASK_ID &&   [original command line content]
> >(tee $AZ_BATCH_NODE_SHARED_DIR/logs_volume/$AZ_BATCH_JOB_ID/$$AZ_BATCH_TASK_ID/stdout.log) 2> >(tee $AZ_BATCH_NODE_SHARED_DIR/logs_volume/$AZ_BATCH_JOB_ID/$$AZ_BATCH_TASK_ID/stderr.log >&2)"

Results in a bit long “command” property, but seems to work as expected!

alfparkcommented, Jul 11, 2018

Files generated by tasks only exist while the compute node exists, unless you use a persistence mechanism. There are a few you can use:

  1. output_data on the task
  2. Mounting a volume defined in the global configuration shared_data_volumes. You can use azurefile or azureblob as the driver. Then in your jobs configuration, ensure you have cross-referenced the mount. As the last step of your task, you can copy your files to the appropriate bound location (you can utilize various Azure Batch Environment Variables to help disambiguate your destination path/location.
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